/Engine/Source/Runtime/Core/Public/Containers/UnrealString.h
Returns whether this string contains the specified substring.
Returns whether the string contains the substring. If the substring is empty, returns true.
template<typename TCharRangeType, std::enable_if_t< [TIsCharRangeNotCArrayNotFString](API\Runtime\Core\Templates\TAnd)< TCharRangeType >::Value > *> bool Contains ( TCharRangeType && SubStr, [ESearchCase::Type](API\Runtime\Core\Misc\ESearchCase__Type) SearchCase, [ESearchDir::Type](API\Runtime\Core\Misc\ESearchDir__Type) SearchDir ) const